Patent · US Expired

Emulsions of water-in-oil type, with a high content of aqueous phase, their process of preparation and their uses

US7514496B2 · kind B2 · utility

5Cited by
7References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 2004
Grant dateApr 7, 2009
Priority date
Expiry dateMay 28, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q17/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A composition and its method of production, wherein the composition includes both an oily external phase and a gelled aqueous phase, wherein the aqueous phase is 60 to 98% by weight of the total composition. Additional features of the composition include the aqueous phase containing a polyelectrolyte in which the ionic sites are combined with their counter-ions. The oily phase of the composition contains one or more oils and also an emulsifying system with a lipophilic nature. The composition may be utilized in the following applications: cosmetic, pharmaceutical, veterinary, or detergent preparations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.